27866920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 67852800

約数和(自身を除く): 39985880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 991, 1406, 1480, 1982, 2812, 3515, 3964, 4955, 5624, 7030, 7928, 9910, 14060, 18829, 19820, 28120, 36667, 37658, 39640, 73334, 75316, 94145, 146668, 150632, 183335, 188290, 293336, 366670, 376580, 696673, 733340, 753160, 1393346, 1466680, 2786692, 3483365, 5573384, 6966730, 13933460, 27866920]

約数ペア:

[(1, 27866920), (2, 13933460), (4, 6966730), (5, 5573384), (8, 3483365), (10, 2786692), (19, 1466680), (20, 1393346), (37, 753160), (38, 733340), (40, 696673), (74, 376580), (76, 366670), (95, 293336), (148, 188290), (152, 183335), (185, 150632), (190, 146668), (296, 94145), (370, 75316), (380, 73334), (703, 39640), (740, 37658), (760, 36667), (991, 28120), (1406, 19820), (1480, 18829), (1982, 14060), (2812, 9910), (3515, 7928), (3964, 7030), (4955, 5624)]